Hi, I am seeing issue installing python package using pip in my virtual environment. I am getting below error. Could you please assist? I have python version as 2.7.12. # packages in environment at /home/ab63996/test: # ca-certificates 2018.03.07 0 certifi 2018.4.16 py27_0 libgcc-ng 7.2.0 hdf63c60_3 openssl 1.0.2o h20670df_0 pip 10.0.1 py27_0 python 2.7.12 1 readline 6.2 2 setuptools 39.2.0 py27_0 sqlite 3.13.0 0 tk 8.5.18 0 wheel 0.31.1 py27_0 zlib 1.2.11 ha838bed_2 (/home/ab63996/test) [$ pip install --trusted-host=files.pythonhosted.org spyder --cert /opt/cloudera/security/x509/cert.pem Collecting spyder Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', error(104, 'Connection reset by peer'))': /packages/db/96/59727db154f253ae81a1491481fb53bff0ebf1a6a03d2258e6eb8d57cb66/spyder-3.3.0-py2-none-any.whl Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', error(104, 'Connection reset by peer'))': /packages/db/96/59727db154f253ae81a1491481fb53bff0ebf1a6a03d2258e6eb8d57cb66/spyder-3.3.0-py2-none-any.whl Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', error(104, 'Connection reset by peer'))': /packages/db/96/59727db154f253ae81a1491481fb53bff0ebf1a6a03d2258e6eb8d57cb66/spyder-3.3.0-py2-none-any.whl Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', error(104, 'Connection reset by peer'))': /packages/db/96/59727db154f253ae81a1491481fb53bff0ebf1a6a03d2258e6eb8d57cb66/spyder-3.3.0-py2-none-any.whl Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', error(104, 'Connection reset by peer'))': /packages/db/96/59727db154f253ae81a1491481fb53bff0ebf1a6a03d2258e6eb8d57cb66/spyder-3.3.0-py2-none-any.whl Could not install packages due to an EnvironmentError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Max retries exceeded with url: /packages/db/96/59727db154f253ae81a1491481fb53bff0ebf1a6a03d2258e6eb8d57cb66/spyder-3.3.0-py2-none-any.whl (Caused by ProtocolError('Connection aborted.', error(104, 'Connection reset by peer'))) You are using pip version 10.0.1, however version 18.0 is available. You should consider upgrading via the 'pip install --upgrade pip' command.